Let's roll up our sleeves and solve this. We have 402 and we're going to multiply it by 133, essentially adding 402 to itself 133 times.
Step 1: 0 + 402 = 402
Step 2: 402 + 402 = 804
Step 3: 804 + 402 = 1206
Step 4: 1206 + 402 = 1608
Step 5: 1608 + 402 = 2010
Step 6: 2010 + 402 = 2412
Step 7: 2412 + 402 = 2814
Step 8: 2814 + 402 = 3216
Step 9: 3216 + 402 = 3618
Step 10: 3618 + 402 = 4020
Step 11: 4020 + 402 = 4422
Step 12: 4422 + 402 = 4824
Step 13: 4824 + 402 = 5226
Step 14: 5226 + 402 = 5628
Step 15: 5628 + 402 = 6030
Step 16: 6030 + 402 = 6432
Step 17: 6432 + 402 = 6834
Step 18: 6834 + 402 = 7236
Step 19: 7236 + 402 = 7638
Step 20: 7638 + 402 = 8040
Step 21: 8040 + 402 = 8442
Step 22: 8442 + 402 = 8844
Step 23: 8844 + 402 = 9246
Step 24: 9246 + 402 = 9648
Step 25: 9648 + 402 = 10050
Step 26: 10050 + 402 = 10452
Step 27: 10452 + 402 = 10854
Step 28: 10854 + 402 = 11256
Step 29: 11256 + 402 = 11658
Step 30: 11658 + 402 = 12060
Step 31: 12060 + 402 = 12462
Step 32: 12462 + 402 = 12864
Step 33: 12864 + 402 = 13266
Step 34: 13266 + 402 = 13668
Step 35: 13668 + 402 = 14070
Step 36: 14070 + 402 = 14472
Step 37: 14472 + 402 = 14874
Step 38: 14874 + 402 = 15276
Step 39: 15276 + 402 = 15678
Step 40: 15678 + 402 = 16080
Step 41: 16080 + 402 = 16482
Step 42: 16482 + 402 = 16884
Step 43: 16884 + 402 = 17286
Step 44: 17286 + 402 = 17688
Step 45: 17688 + 402 = 18090
Step 46: 18090 + 402 = 18492
Step 47: 18492 + 402 = 18894
Step 48: 18894 + 402 = 19296
Step 49: 19296 + 402 = 19698
Step 50: 19698 + 402 = 20100
Step 51: 20100 + 402 = 20502
Step 52: 20502 + 402 = 20904
Step 53: 20904 + 402 = 21306
Step 54: 21306 + 402 = 21708
Step 55: 21708 + 402 = 22110
Step 56: 22110 + 402 = 22512
Step 57: 22512 + 402 = 22914
Step 58: 22914 + 402 = 23316
Step 59: 23316 + 402 = 23718
Step 60: 23718 + 402 = 24120
Step 61: 24120 + 402 = 24522
Step 62: 24522 + 402 = 24924
Step 63: 24924 + 402 = 25326
Step 64: 25326 + 402 = 25728
Step 65: 25728 + 402 = 26130
Step 66: 26130 + 402 = 26532
Step 67: 26532 + 402 = 26934
Step 68: 26934 + 402 = 27336
Step 69: 27336 + 402 = 27738
Step 70: 27738 + 402 = 28140
Step 71: 28140 + 402 = 28542
Step 72: 28542 + 402 = 28944
Step 73: 28944 + 402 = 29346
Step 74: 29346 + 402 = 29748
Step 75: 29748 + 402 = 30150
Step 76: 30150 + 402 = 30552
Step 77: 30552 + 402 = 30954
Step 78: 30954 + 402 = 31356
Step 79: 31356 + 402 = 31758
Step 80: 31758 + 402 = 32160
Step 81: 32160 + 402 = 32562
Step 82: 32562 + 402 = 32964
Step 83: 32964 + 402 = 33366
Step 84: 33366 + 402 = 33768
Step 85: 33768 + 402 = 34170
Step 86: 34170 + 402 = 34572
Step 87: 34572 + 402 = 34974
Step 88: 34974 + 402 = 35376
Step 89: 35376 + 402 = 35778
Step 90: 35778 + 402 = 36180
Step 91: 36180 + 402 = 36582
Step 92: 36582 + 402 = 36984
Step 93: 36984 + 402 = 37386
Step 94: 37386 + 402 = 37788
Step 95: 37788 + 402 = 38190
Step 96: 38190 + 402 = 38592
Step 97: 38592 + 402 = 38994
Step 98: 38994 + 402 = 39396
Step 99: 39396 + 402 = 39798
Step 100: 39798 + 402 = 40200
Step 101: 40200 + 402 = 40602
Step 102: 40602 + 402 = 41004
Step 103: 41004 + 402 = 41406
Step 104: 41406 + 402 = 41808
Step 105: 41808 + 402 = 42210
Step 106: 42210 + 402 = 42612
Step 107: 42612 + 402 = 43014
Step 108: 43014 + 402 = 43416
Step 109: 43416 + 402 = 43818
Step 110: 43818 + 402 = 44220
Step 111: 44220 + 402 = 44622
Step 112: 44622 + 402 = 45024
Step 113: 45024 + 402 = 45426
Step 114: 45426 + 402 = 45828
Step 115: 45828 + 402 = 46230
Step 116: 46230 + 402 = 46632
Step 117: 46632 + 402 = 47034
Step 118: 47034 + 402 = 47436
Step 119: 47436 + 402 = 47838
Step 120: 47838 + 402 = 48240
Step 121: 48240 + 402 = 48642
Step 122: 48642 + 402 = 49044
Step 123: 49044 + 402 = 49446
Step 124: 49446 + 402 = 49848
Step 125: 49848 + 402 = 50250
Step 126: 50250 + 402 = 50652
Step 127: 50652 + 402 = 51054
Step 128: 51054 + 402 = 51456
Step 129: 51456 + 402 = 51858
Step 130: 51858 + 402 = 52260
Step 131: 52260 + 402 = 52662
Step 132: 52662 + 402 = 53064
Step 133: 53064 + 402 = 53466

So, 402*133 = 53466